Video Lectures

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Legendrian contact homology (LCH) is a powerful holomorphic curves invariant for Legendrian submanifolds in contact manifolds. It is defined via a differential graded algebra (DGA), but the computation of its homology is often too difficult...

When objectivity became a goal for science in the early nineteenth century, natural philosophers had to invert epistemic virtues: idealization out, mechanical representation in. Twentieth-century scientists questioned image-based mechanical...

A long-standing line of work in economic theory has studied models by which a group of people in a social network, each holding a numerical opinion, can arrive at a shared opinion through repeated averaging with their neighbors in the network...